Applications, such as cloud services, may be deployed within a network environment (e.g., a cloud computing environment). Unfortunately, when the applications are instantiated within the network environment, they have the ability to compromise the security of other applications and/or the infrastructure of the network environment. Accordingly, as provided herein, a security scheme may be applied to a network environment within which an application is to be instantiated. The security scheme may comprise one or more security layers (e.g., virtual machine level security, application level security, operating system level security, etc.) derived from an application service model describing the application and/or resources allocated to the application.